Almeida et al. 2015 (Conference Paper) Bromeliaceae, Brazil

Floristic and phenology of Bromeliaceae in the Ecological Reserve Guapiaçu, RJ: preliminary results

Author(s):—Mariana Almeida, Heloísa Alves de Lima & Andrea Costa in Benko-Iseppon, A.M.; Alves, M. & Louzada, R. (2015) An overview and abstracts of the First World Congress on Bromeliaceae Evolution. Rodriguésia 66(2): A1-A66.

Publication:— (2015).

Abstract:—The Atlantic Forest is the second largest forest formation in Brazil, covering originally about 12% of the East Coast. Formed by overlapping ecossystems, it is one of the richest formations in terms of flora, and it is characterized by the large number of endemic species. Moreover, it is one of the main centers of diversity of the Bromeliaceae family, comprising about 30 genera and nearly a thousand species. This work is being developed in an area adjacent to the mountain region of the state of Rio de Janeiro, located in the coastal lowlands, in the city of Cachoeiras de Macacu. The Ecological Reserve Guapiaçu (REGUA), is a private conservation area, with altitudes of up to 2,000m, near the State Park of Três Picos, and is part of the Central Fluminense Mosaic, one of the mostly well-preserved rainforest mosaics in the state, comprising the National Park of Serra dos Órgãos, which is considered an important place for ecological and genetic interactions. It is believed that the local Bromeliaceae flora may indicate similarities and possible differences in relation to adjacent areas due to geographical distances and altitude. To carry out the floristic survey, a map of the trails was made, and the samples were taken by the traversal method, where every 100m was sampled to the left, and to the right, in order to increase the collection area. The trails sampled have different successional stages and cover an altitudinal gradient between 0?1,000m. Phenology was accompanied by observing the phenofases(bud, flowering, fruiting) present at the time of each collection. So far there are over 100 collections in 11 trails, with monthly visits to the locality. A total of 11 genera and 31 species have been recorded. It has been observed that the occurrence of some species is limited to certain altitudes. Concerning phenology, most of therecorded species display a well-defined flowering period, over a short time period and relatively synchronous.

Keywords:—Floristics; Phenology; Atlantic Forest.